Power Systems Undergraduate Intern - Cyber and Critical Infrastructure Summer Institute - Summer 2026

Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States’ security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are dedicated to fostering a culture that values individuals, talents, partnerships, ideas, experiences, and different perspectives, recognizing their importance to the continued success of the Laboratory’s mission.

Pay Range

$22.80 – 31.00 Hourly

This position is under a step structure.  Please note that the step placement is determined by your most recent completed academic year.

We have multiple openings for undergraduate students to join the Cyber and Critical Infrastructure Summer Institute (CSI) and to work on topics related to power systems resilience and security that align with LLNL’s national security missions. The 2026 CSI program will run during the summer with a range of start dates between May 18, 2026, and June 22, 2026 and flexible end dates through September 25, 2026. CSI is designed to provide selected candidates an opportunity to apply their skills to projects in areas of national importance such as energy infrastructure modernization and resilience, critical infrastructure security, and defense critical infrastructure. The program will include opportunities to participate in professional and technical development activities with lab Subject Matter Experts, network with fellow interns and lab employees, and learn about the breadth of LLNL’s support to US national security.

In this role, you will

• Provide technical and/or research support to projects in the areas of power systems, critical infrastructure, cybersecurity, and other related fields working with scientists, engineers, and technical staff members.
• Participate in research under close supervision in one or more of the following areas, as assigned:
  • power systems
  • industrial control systems
  • transmission or distribution system modeling or simulation
  • oil and natural gas systems modeling or simulation
  • distributed energy resources, inverter-based resources, or microgrids
  • alternative energy systems
  • grid planning or operations algorithms, optimization, or analytics
• Gather and analyze data and information in support of scientific research.
• Participate in research planning and evaluation discussions.
• Attend relevant seminars and training classes (at least one per week).
• Present work in at least one seminar or poster.
• Perform other duties as assigned.

• Must be a continuing college or university student in good standing at an accredited institution pursuing an undergraduate degree in Engineering, Computer Science, Mathematics, Physics, or other related fields. If you are graduating with your bachelor's degree in Spring 2026 and/or starting a graduate degree program in Fall 2026, you will need to apply for Power Systems Graduate Intern - Cyber and Critical Infrastructure Summer Institute position.
• Ability to apply basic principles of engineering to solve problems related to energy infrastructure.
• Demonstrated effective communication skills.
• Ability to present and communicate concepts and ideas.
• Ability to work in a team environment.
• Demonstrated exposure through coursework or relevant experience to one or more of the following topics: power systems; industrial control systems; transmission or distribution system modeling or simulation; oil and natural gas systems modeling or simulation; inverter-based resources; alternative energy systems; grid planning or operations algorithms, optimization, or analytics.
• Demonstrated exposure through coursework or relevant experience to one or more of the following or similar tools: Matlab/Simulink, PowerWorld, PSLF, GridLAB-D, OpenDSS, Python, C++.

#LI-Onsite

Why Lawrence Livermore National Laboratory?

• Included in 2025 Best Places to Work by Glassdoor!
• Holiday Pay
• Sick leave accrual
• Individual 401(k) contributions
• Our values - visit https://www.llnl.gov/inclusion/our-values 

Security Clearance

None required.  However, this position involves U.S. Export Control; this work must be performed by a U.S. person (U.S. citizen, U.S. lawful permanent resident, U.S. national, or U.S. protected individual (e.g., refugee, asylee)).

If your assignment is longer than 179 days cumulatively within a calendar year, you must go through the Personal Identity Verification process.  This process includes completing an online background investigation form and receiving approval of the background check.  (This process does not apply to foreign nationals.)

Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession.  This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.  

If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas.  Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.

How to identify fake job advertisements

Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under “Find Your Job” of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond.

To learn more about recruitment scams: https://www.llnl.gov/sites/www/files/2023-05/LLNL-Job-Fraud-Statement-Updated-4.26.23.pdf

Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory.  If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request. 

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